Building - acoustic comfort
Soundproofing - Improving acoustics in a swimming pool (aquatic center)
That acoustics is always insufficiently taken into account in a swimming pool (or in an aquatic center), due to the lack of appropriate soundproofing, and that such a place is ipso facto (too) poorly endowed with the equipment allowing to obtain the sound comfort required for such a place is a fairly widespread opinion.
Thus, the famous author of spy novels John Le Carré wrote  in his bestseller “Tinker, Tailor, Soldier, Spy”, about a shout of fury, that it “echoed many times like a shout...
Noise prevention in a school restaurant room (canteen)
The prevention of noise in a school restaurant room (canteen) is a major imperative for a space whose purpose is not only, during a meal, to allow schoolchildren to nourish, but also to offer them an ambiance conducive to the necessary relaxation between learning sessions (which sometimes put them through the mill) and to desirable communications between classmates (which can then take place without being considered, as they would be in the classroom, as unwanted gossip).
This is why...
Acoustic improvement of a daycare center (to limit noise)
As other establishments hosting (regularly or occasionally) children under 6 (e.g. crèches, kindergartens), a daycare center is a place for which it is often necessary to consider a posteriori anacoustic improvement (to limit noise).
Indeed, in France, there is currently (i.e. at the start of 2020) no regulatory text setting the minimum acoustical characteristics of such buildings.
Because of this (it's sad, but it is so: there is a cause and effect link), it is not uncommon for a daycare...